- Effective
- January 11, 1984
- Models
- HS 748 Series 2A, HS 748 Series 2B
- Data sheet
- TCDSA24EU
- Registered aircraft
- 2 matched by model
- Product
- Aircraft · Large airplane
- Amendment
- 39-4791
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 20 KB | 70ef7075…07b3360 | FAA DRS (API key needed) |
On this page
The airworthiness directive
83-26-04 BRITISH AEROSPACE: Amendment 39-4791. Applies to all Model HS 748 2A and 2B series airplanes certificated in all categories. Compliance is required as indicated. To prevent the gust locks of the control surfaces from re-engaging during flight, accomplish the following within the next 60 days after the effective date of this AD, unless previously accomplished:
A. Replace the existing elevator, rudder and aileron lock levers with new parts in accordance with the Accomplishment Instructions of British Aerospace HS 748 Service Bulletin 27/88, Revision 2, dated April 22, 1983.
B. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.
C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD.
This amendment becomes effective January 11, 1984.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 2
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.